What are coverage report metrics and why are they important?

What are coverage report metrics and why are they important?

Coverage report metrics are measurements that indicate how much of your code is tested by automated tests. They help identify untested parts of your codebase.

What types of coverage metrics are commonly used?

Common types include line coverage, branch coverage, function coverage, and statement coverage. Each provides different insights into your testing.

How can I improve my coverage metrics?

You can improve coverage metrics by writing more tests, focusing on untested areas, and using tools that highlight coverage gaps.

Are there any tools you recommend for measuring coverage?

Yes, popular tools include Istanbul, JaCoCo, and Coveralls. They provide detailed reports and visualizations of your coverage.

What is considered a good coverage percentage?

A good coverage percentage typically ranges from 70% to 90%, but it depends on the project and its specific requirements.